diff --git a/Casks/emacs-app-nightly/meta.json b/Casks/emacs-app-nightly/meta.json
index aa5fbca6..40806282 100644
--- a/Casks/emacs-app-nightly/meta.json
+++ b/Casks/emacs-app-nightly/meta.json
@@ -7,13 +7,13 @@
   ],
   "desc": "GNU Emacs text editor (nightly build)",
   "homepage": "https://github.com/jimeh/emacs-builds",
-  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2021-10-29.c3499b8.master/Emacs.2021-10-29.c3499b8.master.macOS-10-15.x86_64.dmg",
+  "url": "https://github.com/jimeh/emacs-builds/releases/download/Emacs.2021-10-30.da67e88.master/Emacs.2021-10-30.da67e88.master.macOS-10-15.x86_64.dmg",
   "appcast": null,
-  "version": "2021-10-29.c3499b8.master",
+  "version": "2021-10-30.da67e88.master",
   "versions": {},
   "installed": null,
   "outdated": false,
-  "sha256": "e38dd5aaa260c01a1bc604486d8ca5a38f27abda94981fe801255107ef5922c8",
+  "sha256": "0b79829703d849f4088f3a00775fca88d4ee21f4ff68ca27da0c5332d2f5f1ff",
   "artifacts": [
     [
       "Emacs.app"
diff --git a/Casks/emacs-app-nightly/shield.json b/Casks/emacs-app-nightly/shield.json
index 919805db..d1b26020 100644
--- a/Casks/emacs-app-nightly/shield.json
+++ b/Casks/emacs-app-nightly/shield.json
@@ -5,5 +5,5 @@
   "namedLogo": "GNU Emacs",
   "logoColor": "white",
   "label": "nightly",
-  "message": "2021-10-29.c3499b8.master"
+  "message": "2021-10-30.da67e88.master"
 }